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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// The MIT License (MIT)</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">// Copyright (c) 2015-2017 Simon Ninon &lt;simon.ninon@gmail.com&gt;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">// Permission is hereby granted, free of charge, to any person obtaining a copy</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// of this software and associated documentation files (the &quot;Software&quot;), to deal</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// in the Software without restriction, including without limitation the rights</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">// copies of the Software, and to permit persons to whom the Software is</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">// furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">// The above copyright notice and this permission notice shall be included in all</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">// copies or substantial portions of the Software.</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">// THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment">// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">// SOFTWARE.</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;type_traits&gt;</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacecpp__redis.html">cpp_redis</a> {</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="keyword">namespace </span>helpers {</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span>... Args&gt;</div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1back.html">   34</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcpp__redis_1_1helpers_1_1back.html">back</a> {</div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1back.html#a83f1d0c03ffc82ff8ab7243c3c858195">   38</a></span>&#160;  <span class="keyword">using</span> <a class="code" href="structcpp__redis_1_1helpers_1_1back.html#a83f1d0c03ffc82ff8ab7243c3c858195">type</a> = <span class="keyword">typename</span> <a class="code" href="structcpp__redis_1_1helpers_1_1back.html">back</a>&lt;Args...&gt;<a class="code" href="structcpp__redis_1_1helpers_1_1back.html#a83f1d0c03ffc82ff8ab7243c3c858195">::type</a>;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;};</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1back_3_01_t_01_4.html">   45</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcpp__redis_1_1helpers_1_1back.html">back</a>&lt;T&gt; {</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1back_3_01_t_01_4.html#a87d10cfacd8ca29b083dc5688e77f87c">   49</a></span>&#160;  <span class="keyword">using</span> <a class="code" href="structcpp__redis_1_1helpers_1_1back_3_01_t_01_4.html#a87d10cfacd8ca29b083dc5688e77f87c">type</a> = T;</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;};</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span>... Ts&gt;</div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1front.html">   56</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcpp__redis_1_1helpers_1_1front.html">front</a> {</div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1front.html#a23178392c9417cc5ada75205931d1768">   60</a></span>&#160;  <span class="keyword">using</span> <a class="code" href="structcpp__redis_1_1helpers_1_1front.html#a23178392c9417cc5ada75205931d1768">type</a> = T;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;};</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2, <span class="keyword">typename</span>... Ts&gt;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__type__present.html">   67</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcpp__redis_1_1helpers_1_1is__type__present.html">is_type_present</a> {</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__type__present.html#a7b5e8d970ba974a9b58cbc440983c25c">   72</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> value = std::is_same&lt;T1, T2&gt;::value</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;                                  ? true</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;                                  : <a class="code" href="structcpp__redis_1_1helpers_1_1is__type__present.html">is_type_present</a>&lt;T1, Ts...&gt;::value;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;};</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> T2&gt;</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__type__present_3_01_t1_00_01_t2_01_4.html">   81</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcpp__redis_1_1helpers_1_1is__type__present.html">is_type_present</a>&lt;T1, T2&gt; {</div><div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__type__present_3_01_t1_00_01_t2_01_4.html#a1dbf43b76ba407caf9bfb35ffdbe55ad">   86</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> value = std::is_same&lt;T1, T2&gt;::value;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;};</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span>... Args&gt;</div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__different__types.html">   93</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcpp__redis_1_1helpers_1_1is__different__types.html">is_different_types</a> {</div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__different__types.html#a07dadd8ff3c8024734f231aaf1555626">   98</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> value = <a class="code" href="structcpp__redis_1_1helpers_1_1is__type__present.html">is_type_present</a>&lt;T, Args...&gt;::value</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;                                  ? false</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;                                  : <a class="code" href="structcpp__redis_1_1helpers_1_1is__different__types.html">is_different_types</a>&lt;Args...&gt;::value;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;};</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> T1&gt;</div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__different__types_3_01_t1_01_4.html">  107</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structcpp__redis_1_1helpers_1_1is__different__types.html">is_different_types</a>&lt;T1&gt; {</div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structcpp__redis_1_1helpers_1_1is__different__types_3_01_t1_01_4.html#ae05b9b4af6846340ac66fcf64a622397">  111</a></span>&#160;  <span class="keyword">static</span> constexpr <span class="keywordtype">bool</span> value = <span class="keyword">true</span>;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;};</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;} <span class="comment">// namespace helpers</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;} <span class="comment">// namespace cpp_redis</span></div><div class="ttc" id="structcpp__redis_1_1helpers_1_1is__type__present_html"><div class="ttname"><a href="structcpp__redis_1_1helpers_1_1is__type__present.html">cpp_redis::helpers::is_type_present</a></div><div class="ttdef"><b>Definition:</b> variadic_template.hpp:67</div></div>
<div class="ttc" id="structcpp__redis_1_1helpers_1_1front_html_a23178392c9417cc5ada75205931d1768"><div class="ttname"><a href="structcpp__redis_1_1helpers_1_1front.html#a23178392c9417cc5ada75205931d1768">cpp_redis::helpers::front::type</a></div><div class="ttdeci">T type</div><div class="ttdef"><b>Definition:</b> variadic_template.hpp:60</div></div>
<div class="ttc" id="structcpp__redis_1_1helpers_1_1back_3_01_t_01_4_html_a87d10cfacd8ca29b083dc5688e77f87c"><div class="ttname"><a href="structcpp__redis_1_1helpers_1_1back_3_01_t_01_4.html#a87d10cfacd8ca29b083dc5688e77f87c">cpp_redis::helpers::back&lt; T &gt;::type</a></div><div class="ttdeci">T type</div><div class="ttdef"><b>Definition:</b> variadic_template.hpp:49</div></div>
<div class="ttc" id="structcpp__redis_1_1helpers_1_1front_html"><div class="ttname"><a href="structcpp__redis_1_1helpers_1_1front.html">cpp_redis::helpers::front</a></div><div class="ttdef"><b>Definition:</b> variadic_template.hpp:56</div></div>
<div class="ttc" id="structcpp__redis_1_1helpers_1_1is__different__types_html"><div class="ttname"><a href="structcpp__redis_1_1helpers_1_1is__different__types.html">cpp_redis::helpers::is_different_types</a></div><div class="ttdef"><b>Definition:</b> variadic_template.hpp:93</div></div>
<div class="ttc" id="structcpp__redis_1_1helpers_1_1back_html"><div class="ttname"><a href="structcpp__redis_1_1helpers_1_1back.html">cpp_redis::helpers::back</a></div><div class="ttdef"><b>Definition:</b> variadic_template.hpp:34</div></div>
<div class="ttc" id="structcpp__redis_1_1helpers_1_1back_html_a83f1d0c03ffc82ff8ab7243c3c858195"><div class="ttname"><a href="structcpp__redis_1_1helpers_1_1back.html#a83f1d0c03ffc82ff8ab7243c3c858195">cpp_redis::helpers::back::type</a></div><div class="ttdeci">typename back&lt; Args... &gt;::type type</div><div class="ttdef"><b>Definition:</b> variadic_template.hpp:38</div></div>
<div class="ttc" id="namespacecpp__redis_html"><div class="ttname"><a href="namespacecpp__redis.html">cpp_redis</a></div><div class="ttdef"><b>Definition:</b> array_builder.hpp:29</div></div>
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